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Deadlock at startup due to SIGCHILD #6
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Original comment by Michael Carroll (Bitbucket: Michael Carroll, GitHub: mjcarroll). |
Original comment by Michael Carroll (Bitbucket: Michael Carroll, GitHub: mjcarroll). I have the same behavior with that launch file on my system. |
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Original report (archived issue) by Addisu Z. Taddese (Bitbucket: azeey, GitHub: azeey).
The original report had attachments: test_launch.ign
I have encountered deadlocks multiple times when launching
competition
in SubT. I've traced it down to the fact thatManagerPrivate::OnSigChild
uses non async-signal-safe functions which could cause deadlocks at startup when child processes exit. I've attached a simple.ign
file that reproduces the issue for me. Basically, it starts gazebo and a bunch ofsleep
commands with random amounts of sleep. The deadlock usually occurs deep inside malloc.The text was updated successfully, but these errors were encountered: